CN102285555A - Bent pipe flow guide and ventilation device - Google Patents
Bent pipe flow guide and ventilation device Download PDFInfo
- Publication number
- CN102285555A CN102285555A CN 201110111971 CN201110111971A CN102285555A CN 102285555 A CN102285555 A CN 102285555A CN 201110111971 CN201110111971 CN 201110111971 CN 201110111971 A CN201110111971 A CN 201110111971A CN 102285555 A CN102285555 A CN 102285555A
- Authority
- CN
- China
- Prior art keywords
- bend pipe
- cavity
- water conservancy
- conservancy diversion
- flow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Jet Pumps And Other Pumps (AREA)
Abstract
The invention relates to a bent pipe flow guide and ventilation device in the technical field of ventilation devices, which consists of a plurality of polyhedral cavity structures which are sequentially and serially connected. Each polyhedral cavity structure comprises a cavity, a plurality of air inlet units and two connecting flanges. The bent pipe flow guide and ventilation device has the advantages that the flow field in an air duct is optimized, the internal negative pressure stability of the air duct is increased, the ability of the internal flow of the air duct in resisting disturbance is enhanced and the flow of air inlets is improved at the same time.
Description
Technical field
What the present invention relates to is a kind of device of drafting apparatus technical field, specifically is a kind of bend pipe inducted draft device.
Background technology
Automatic winder is last one Fabricating machinery of cotton spinning enterprise, is the key equipment of decision textiles high yield, high-quality, high added value, and it does not have the cop coiled knot tube yarn and remove the yarn defect in winding process.Along with the whole world is growing to the consumption of the energy, the efficient of various device and energy consumption situation also become the emphasis of country and enterprises pay attention.The ground work of the confidential normal reliable of automatic winding be unable to do without a stable negative pressure and inhales the yarn air channel, and the negative pressure air channel not only provides the work negative pressure for handgrip arm, the big suction nozzle of mechanical arm, also provides the negative pressure support for other mechanisms such as yarn trap, yarn storehouse valves.A stable subnormal ambient is the necessary condition that automatic winder carries out the action of splicing of normal reliable, the stability of air channel internal pressure also directly have influence on splice the action execution can be successful, and inhale line and grab the efficient of line in the action of splicing, thereby have influence on the work efficiency of automatic winder.
At present, the air channel structure of automatic winder is made of the cavity of a cuboid, the single-piece air channel structure generally is made of the series connection of 10 working groups and a working group comprises 6 automatic winding working cells, and an end face in the whole air channel after the series connection is connected with blower fan, other end sealing.One in air channel has many induction openings above the side, one of them automatic winding unit generally needs four induction openings, and the aperture on the negative pressure demand device of various automatic winders and the side in air channel is connected, and other face is a sealing surface.The blower fan exhausting, thus the negative pressure of work is provided for negative pressure device.But the direct air inlet in side is very big to the influence of the flow field in the air channel, not only increased the instability that flows, influence the pressure stability in the air channel, and since the air-flow of the direct air inlet in side perpendicular to air channel in-to-in main flow flow direction, air-flow rushes at rear wall, form a lot of eddy current, hinder flowing of main flow, make flow efficiency very low, the balance that also is unfavorable for the air channel internal pressure, for the resistivity of disturbance a little less than, and not enough away from the automatic winding cell operation negative pressure of blower fan end, be unfavorable for automatic winder suction line and grab stable the carrying out of line action, thereby influence the automatic winder whole work efficiency.
Find through retrieval the prior art document, " the automatic winding machine negative pressure is inhaled the experiment and the numerical value research of yarn air channel pressure balancing system " (" the Shanghai Communications University's master thesis " of Chen Haozhu, 2010) the middle automatic winder air channel model that proposes variable section, control the flow of admission port by the changes of section on the blower fan direction, though mono-variable section model can embody the uniform characteristics of air draught, but there is not bigger influence for air channel in-to-in flow distribution, the air channel smaller volume also makes the variation of fluctuation of pressure responsive more, be unfavorable for the pressure stability in the automatic winder air channel, also cause the stability of the automatic winder of under non-permanent situation, working not enough, simultaneously because the not variation of the direction of induction opening, the component that air inlet is flowing in vertical air trunk direction is bigger, form more eddy current, mobile efficient is still not high.
Summary of the invention
The present invention is directed to the prior art above shortcomings, a kind of bend pipe inducted draft device is provided, this in-to-in flow field, installation optimization air channel increases air channel internal negative pressure stability and strengthens the resistivity of air channel internal flow to disturbance, improves the flow of induction opening simultaneously.
The present invention is achieved by the following technical solutions, and the present invention is made up of the polyhedron cavity structure that several are connected in series successively.
Described cavity structure comprises: cavity, several air inlet unit and two butt flanges, wherein: two butt flanges are connected with the two ends of cavity respectively, several air inlet unit be arranged on the sidewall of cavity and the air inlet unit interval on the same sidewall identical.
The connection that can cooperatively interact of described butt flange.
Described air inlet unit comprises: induction opening and water conservancy diversion bend pipe, and wherein: induction opening is arranged at the sidewall of cavity, and the water conservancy diversion bend pipe is arranged at the inwall of cavity and is connected with induction opening.
The internal diameter in described water conservancy diversion bend pipe cross section equates and the equal diameters of internal diameter and the induction opening that links to each other, the centerline length of water conservancy diversion bend pipe is 1.5～3.5 times of induction opening diameter, and the plane included angle of the tangent line of the line of centers in the exit of water conservancy diversion bend pipe and the sidewall that joins with the water conservancy diversion bend pipe is 0 °～90 °.
When the air suctiton ventilator exhausting, when providing the negative pressure of work for negative pressure device, air-flow is at first by connecting the pipeline of negative pressure device, enter the air channel by the water conservancy diversion bend pipe then, air-flow tilts to the blower fan direction, increased the component size of main flow direction in the air channel, make air-flow more effective, reduced to flow along the journey degradation of energy, the intensity in whirlpool diminishes in the air channel, the negative pressure that flows strengthens simultaneously, and the air-flow enhancing on the main flow direction also helps the rapid balance of air channel pressure inside, thereby increases the resistivity of air channel internal gas flow for disturbance, because bend pipe is prismatic, the loss of flow that causes is very little, and because the air channel pressure inside is more stable, has also increased the flow that enters the air channel from induction opening, the suction line of automatic winder and grab line and move efficient stable more, improve the work efficiency of bobbin-winding machine, the raising of efficient can be saved the expenditure of energy of other various parts such as blower fan, thereby reaches energy-conservation.
Description of drawings
Fig. 1 is the external structure view of embodiment 1.
Fig. 2 (a) is the inner structure view of embodiment 1.
Fig. 2 (b) is the in-to-in partial enlarged view of embodiment 1.
Fig. 3 is the structural representation of the water conservancy diversion bend pipe of embodiment 1.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated, present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
As shown in Figure 1, the present invention is made up of the polyhedron cavity structure 1 that several are connected in series successively, and first cavity structure 1 seals respectively with ending cavity structure 1 and is connected air suctiton ventilator.
Described cavity structure 1 comprises: cavity 2, several air inlet unit 3 and two butt flanges 4, wherein: two butt flanges 4 are connected with the two ends of cavity 2 respectively, several air inlet unit 3 be arranged on the sidewall of cavity 2 and air inlet unit 3 spacings on the same sidewall identical.
The connection that can cooperatively interact of described butt flange 4.
Described air inlet unit 3 comprises: induction opening 5 and water conservancy diversion bend pipe 6, and wherein: induction opening 5 is arranged at the sidewall of cavity 2, and water conservancy diversion bend pipe 6 is arranged at the inwall of cavity 2 and is connected with induction opening 5.
The internal diameter in described water conservancy diversion bend pipe 6 cross sections equates and the equal diameters of internal diameter and the induction opening 5 that links to each other, the centerline length of water conservancy diversion bend pipe 6 is 1.5～3.5 times of induction opening 5 diameters, and the plane included angle of the tangent line of the line of centers in water conservancy diversion bend pipe 6 exits and cavity 2 sidewalls that join with water conservancy diversion bend pipe 6 is 30 °, 45 ° or 60 ° and outlet are connected end inclination from air suctiton ventilator to cavity structure 1.
Present embodiment is when work, when the air suctiton ventilator exhausting, induction opening 5 and water conservancy diversion bend pipe 6 that air communication is crossed air inlet unit 3 enter in the cavity 2, guide functions through water conservancy diversion bend pipe 6, the direction of air-flow changes, tilt to the air suctiton ventilator direction, the component increase in the horizontal direction of the direction of air-flow makes air channel in-to-in flow efficiency improve, increased air channel in-to-in pressure-reduction level, increased the negative regulation of air channel internal flow simultaneously, because water conservancy diversion bend pipe 6 is prismatic, loss of flow through induction opening 5 is very little, with respect to the raising of pressure-reduction level in the air channel, does not compare also raising to some extent through the flow of induction opening 5 with there being water conservancy diversion bend pipe 6, help automatic winder and inhale line and grab stable the carrying out of line action, improve the automatic winder work efficiency.Air channel interior flow field pressure-reduction level after experimental investigation is found to improve improves, the negative regulation raising, the opposing interference performance strengthens, for improving about 5% relatively away from pressure-reduction level in the end air channel of blower fan, stability improves about 5% relatively, flow by induction opening 5 improves, and total flow improves about 5% relatively, and flow increases efficient and the stability raising that makes automatic winder suction line and grab the line action.
Present embodiment mainly makes on the direction of air-flow bigger change is arranged by increasing water conservancy diversion bend pipe 6, thereby obtain flow field more effectively, the change of flow field structure makes mobile more effective, negative regulation and opposing interference performance have been increased, improve total flow, increased the automatic winder working stability.
Claims (4)
1. bend pipe inducted draft device, this device is made up of the polyhedron cavity structure that several are connected in series successively, it is characterized in that:
Described cavity structure comprises: cavity, several air inlet unit and two butt flanges, wherein: two butt flanges are connected with the two ends of cavity respectively, several air inlet unit be arranged on the sidewall of cavity and the air inlet unit interval on the same sidewall identical.
2. bend pipe inducted draft device according to claim 1 is characterized in that, the connection that can cooperatively interact of described butt flange.
3. bend pipe inducted draft device according to claim 1 is characterized in that, described air inlet unit comprises: induction opening and water conservancy diversion bend pipe, and wherein: induction opening is arranged at the sidewall of cavity, and the water conservancy diversion bend pipe is arranged at the inwall of cavity and is connected with induction opening.
4. bend pipe inducted draft device according to claim 3, it is characterized in that, the internal diameter in the cross section of described water conservancy diversion bend pipe equates and the equal diameters of internal diameter and the induction opening that links to each other, the centerline length of water conservancy diversion bend pipe is 1.5～3.5 times of induction opening diameter, and the plane included angle of the tangent line of the line of centers in the exit of water conservancy diversion bend pipe and the sidewall that joins with the water conservancy diversion bend pipe is 0 °～90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110111971 CN102285555A (en) | 2011-04-30 | 2011-04-30 | Bent pipe flow guide and ventilation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110111971 CN102285555A (en) | 2011-04-30 | 2011-04-30 | Bent pipe flow guide and ventilation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102285555A true CN102285555A (en) | 2011-12-21 |
Family
ID=45332349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110111971 Pending CN102285555A (en) | 2011-04-30 | 2011-04-30 | Bent pipe flow guide and ventilation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102285555A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0351262A (en) * | 1989-07-18 | 1991-03-05 | Murata Mach Ltd | Yarn dwelling device in spinning machinery |
| EP0565878A1 (en) * | 1992-04-11 | 1993-10-20 | Barmag Ag | Suction device for a multitude of running yarns |
| DE4341732A1 (en) * | 1993-12-08 | 1995-06-14 | Schlafhorst & Co W | Textile machine underpressure supply |
| CN201158926Y (en) * | 2007-10-22 | 2008-12-03 | 魏茂胜 | Storied house fume emission pipe |
| CN101676453A (en) * | 2008-09-19 | 2010-03-24 | 村田机械株式会社 | Duct for textile machine and textile machine equipped with the same |
| CN101684687A (en) * | 2008-09-24 | 2010-03-31 | 杨建良 | Smoke and flue exhaust pipeline for preventing streaming, backward flowing and insects |
| CN201546425U (en) * | 2009-09-27 | 2010-08-11 | 贾永国 | Natural division type exhaust device |
-
2011
- 2011-04-30 CN CN 201110111971 patent/CN102285555A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0351262A (en) * | 1989-07-18 | 1991-03-05 | Murata Mach Ltd | Yarn dwelling device in spinning machinery |
| EP0565878A1 (en) * | 1992-04-11 | 1993-10-20 | Barmag Ag | Suction device for a multitude of running yarns |
| DE4341732A1 (en) * | 1993-12-08 | 1995-06-14 | Schlafhorst & Co W | Textile machine underpressure supply |
| CN201158926Y (en) * | 2007-10-22 | 2008-12-03 | 魏茂胜 | Storied house fume emission pipe |
| CN101676453A (en) * | 2008-09-19 | 2010-03-24 | 村田机械株式会社 | Duct for textile machine and textile machine equipped with the same |
| CN101684687A (en) * | 2008-09-24 | 2010-03-31 | 杨建良 | Smoke and flue exhaust pipeline for preventing streaming, backward flowing and insects |
| CN201546425U (en) * | 2009-09-27 | 2010-08-11 | 贾永国 | Natural division type exhaust device |
Non-Patent Citations (1)
| Title |
|---|
| 《能源技术》 20101231 陈皓等1 络筒机捻接工作时的风道压力分析 第31卷, 第6期 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101531455B (en) | Optical fiber drawing cooling system | |
| CN102139821A (en) | Variable cross-section diversion air duct for automatic bobbin winder | |
| CN102285555A (en) | Bent pipe flow guide and ventilation device | |
| CN206570465U (en) | A kind of textile machinery cleaner | |
| CN102437295B (en) | Gas exhaust device of battery cupboard | |
| CN212204936U (en) | High-speed real new trend system | |
| CN210506640U (en) | Spinning frame compact spinning negative pressure air volume discharging system | |
| CN201220988Y (en) | Compact spinning air-suction duct having branch wind pipe | |
| CN210596386U (en) | Broken end cotton suction device for spinning frame | |
| CN110779140B (en) | Fresh air system for high-rise building | |
| CN207271769U (en) | Spinning and weaving workshop negative pressure impurity clears up system | |
| CN203112997U (en) | Cleaning and air suction device for roving machine | |
| CN208087810U (en) | A kind of novel suction device of ring throstle | |
| CN203657154U (en) | Air conditioner air supply device of automatic winding machine | |
| CN206751093U (en) | A kind of weaving coil winding machine with dust reduction capability | |
| CN106151079A (en) | A kind of butterfly door adjusting means with Automatic adjusument function | |
| CN210012952U (en) | Novel low-loss yarn-wrapping yarn supply air pipe | |
| CN203065692U (en) | Impurity discharging channel structure of rotary cup spinning device | |
| CN207483949U (en) | Spinning frame blows cotton device | |
| CN203187834U (en) | Mechanism for preventing airflow in exhaust duct of negative pressure draught fan box of compact spinning machine from flowing back | |
| CN205803688U (en) | A kind of hand-held jet draws yarn rifle | |
| CN204237927U (en) | A kind of fine spining machine vacuum end collector | |
| CN206486101U (en) | A kind of efficient and environment-friendly type automatic winder | |
| CN205110268U (en) | Dust collection device and forming machine | |
| CN103612949A (en) | Roving tail yarn unwinding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111221 |